SUPRA DIAMOND

SUPRAFAX MODEM 288

Card Type                    Fax, Modem (synchronous/asynchronous)
Chip Set                     Rockwell
Maximum Data Rate            28.8Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     External
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103/212A

                             ITU-T V.21, V.22bis, V.23, V.32, V.32bis,
                             V.34

                             Rockwell V.FC
Fax Modulation Protocol      ITU-T V.17, V.21, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, MNP10, V.42, V.42bis

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                                CONNECTIONS

         Function           Label             Function             Label

  Line out                       CN1       DC power                 CN4

  Line in                        CN2       Power switch             SW1

  RS-232/422                     CN3

                             DIAGNOSTIC LED(S)

   LED      Color    Status                    Condition

    OH       Red       On                  Modem is off-hook

    OH       Red      Off                  Modem is on-hook

    RD       Red       On               Modem is receiving data

    RD       Red      Off             Modem is not receiving data

    SD       Red       On             Modem is transmitting data

    SD       Red      Off           Modem is not transmitting data

   PWR       Red       On                     Power is on

   PWR       Red      Off                    Power is off

                           ALPH-NUMERIC DISPLAY

  Display                             Condition

    OK                             Modem is ready

    AA                           Auto-answer enabled

    DI                         Modem dialing a number

    RI                            Phone is ringing

    CD             Carrier signal detected and modem is connected

    LP                     LAPM error correction activated

    DC                       Data compression activated

    V34                   V.34 (non-asymmetric) connection

    R34       Modem is receiving data. When a nn follows, this indicates
                                 the receive speed.

    T34     Modem is transmitting data. When a nn follows, this indicates
                                 the transmit speed.

    VF                 Modem is connected using V.FC protocol

    28                       Modem connected at 28.8Kbps

    26                       Modem connected at 26.4Kbps

    24      Modem connected at 24Kbps, if this number follows V34, T34 or
                                         R34

    216                      Modem connected at 21.6Kbps

    192                      Modem connected at 19.2Kbps

    168                      Modem connected at 16.8Kbps

    144                      Modem connected at 14.4Kbps

    120                       Modem connected at 12Kbps

    96                       Modem connected at 9600bps

    48                       Modem connected at 4800bps

    24        Modem connected at 2400bps, if this number doesn’t follows
                                   V34, T34 or R34

    12                       Modem connected at 1200bps

     3                        Modem connected at 300bps

    RE          Receive error, local modem asking to retransmit data

    TE         Transmission error, remote modem asking to resend data

    RT                  Either modem has requested to retrain

    FX                     Modem is connected in FAX mode

                         Proprietary AT Command Set

               See document V1998 for a full command summary.